What is the Least Common Multiple of 61321 and 61331?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 61321 and 61331 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61321 and 61331, than apply into the LCM equation.

GCF(61321,61331) = 1
LCM(61321,61331) = ( 61321 × 61331) / 1
LCM(61321,61331) = 3760878251 / 1
LCM(61321,61331) = 3760878251

Least Common Multiple (LCM) of 61321 and 61331 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61321 and 61331. First we will calculate the prime factors of 61321 and 61331.

Prime Factorization of 61321

Prime Factorization of 61331

Now multiplying the highest exponent prime factors to calculate the LCM of 61321 and 61331.

LCM(61321,61331) = 13¹ × 53¹ × 89¹ × 61331¹
LCM(61321,61331) = 3760878251